Title:
AUDIO CODING METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/052293
Kind Code:
A1
Abstract:
An audio coding method and an apparatus. The audio coding method comprises: acquiring first audio data; acquiring a target bitrate and a Bluetooth packet type, the target bitrate and the Bluetooth packet type corresponding to a current Bluetooth channel state; according to the first audio data, the target bitrate and the Bluetooth packet type, acquiring one or more of a bitpool parameter set, a psychoacoustic parameter set and a frequency spectrum bandwidth parameter set by means of a pre-trained neural network; according to one or more of the bitpool parameter set, the psychoacoustic parameter set and the frequency spectrum bandwidth parameter set, coding the first audio data, obtaining a code stream to be sent. It is possible to adaptively match a Bluetooth channel state, and create a continuous audio listening experience while maximally ensuring audio quality.
Inventors:
WANG ZHUO (CN)
WANG MENG (CN)
FAN FAN (CN)
WANG MENG (CN)
FAN FAN (CN)
Application Number:
PCT/CN2020/115123
Publication Date:
March 25, 2021
Filing Date:
September 14, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G10L19/002
Foreign References:
| CN103532936A | 2014-01-22 | |||
| CN1677492A | 2005-10-05 | |||
| CN101163248A | 2008-04-16 | |||
| CN101136202A | 2008-03-05 | |||
| CN109981545A | 2019-07-05 | |||
| CN101853663A | 2010-10-06 | |||
| CN102436819A | 2012-05-02 | |||
| US5185800A | 1993-02-09 | |||
| US20100121632A1 | 2010-05-13 | |||
| CN201910883038A | 2019-09-18 |
Other References:
See also references of EP 4024394A4
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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